CN114109146A

CN114109146A - Electronic lock body

Info

Publication number: CN114109146A
Application number: CN202111351988.2A
Authority: CN
Inventors: 赵宋桥; 陈俊坚
Original assignee: Zhongshan Shunchuang Intelligent Technology Co ltd
Current assignee: Zhongshan Shunchuang Intelligent Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-01

Abstract

The invention relates to an electronic lock body which comprises a square tongue component, a square tongue transmission device, a motor component and a lock cylinder, wherein the lock cylinder is connected with the square tongue component; the pulling rod is provided with a pulling rod bulge; the motor gear is driven by the motor assembly, and two ends of the arc-shaped groove respectively act on the pull rod protrusions to enable the square tongue to extend out of the lock body or retract into the lock body; after the square bolt extends out of the lock body or retracts into the lock body, the motor gear rotates to a reset position, the square bolt assembly is pulled out by the peach pulling of the lock core, so that in the process that the square bolt extends out of the lock body or retracts into the lock body, the pull rod protrusion slides along the arc-shaped groove. The invention has the advantages that the protrusions of the pull rod slide along the arc-shaped groove without touching the two end parts of the arc-shaped groove, so that the pull rod can not drive the motor gear but idle relative to the motor gear in the process of mechanically unlocking through the lock cylinder, and the unlocking or locking is very labor-saving.

Description

Electronic lock body

Technical Field

The invention relates to an electronic lock body.

Background

The electronic lock comprises a square tongue component, a square tongue transmission device, a motor component, a PCB and a lock body control module, wherein the PCB is connected with the lock body control module, the square tongue transmission device is connected with the square tongue component and the motor component, a user drives the motor component to act on the square tongue transmission device through a signal to the lock body control module, so that a square tongue of the square tongue component extends out of or retracts into the lock body to realize the purpose of locking or unlocking, and in order to realize the purpose of mechanical unlocking, the electronic lock is generally provided with a mechanical unlocking device, the purpose of mechanical unlocking is realized through a key, but after the existing electronic lock is unlocked, the square tongue transmission device is still in a linkage state with the square tongue component, at the moment, if the key is adopted to mechanically unlock, the rotation of the key needs to drive the square tongue transmission device to rotate so as to realize the extension of the square tongue and the locking, and the whole locking process needs to exert great force, therefore, there is a need for improvement of the existing structure.

Disclosure of Invention

The invention aims to provide a lock body which can save labor when mechanically unlocking or locking.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electronic lock body comprises a square tongue component, a square tongue transmission device, a motor component and a lock cylinder, wherein the lock cylinder is connected with the square tongue component; the pull rod is provided with a pull rod bulge which falls into the arc-shaped groove and can slide along the arc-shaped groove when rotating; the motor gear is driven by the motor assembly to rotate forwards or reversely, the two end parts of the arc-shaped groove respectively act on the pull rod bulges to correspondingly rotate the pull rod forwards or reversely through the forward rotation or reverse rotation of the motor gear, and the square tongue assembly is pulled through the forward rotation or reverse rotation of the pull rod to extend or retract the square tongue out of or into the lock body; after the square bolt extends out of the lock body or retracts into the lock body, the motor gear is driven by the motor assembly to rotate to a reset position, and the square bolt assembly is pulled out by the peach pulling of the lock core, so that the square bolt extends out of the lock body or retracts into the lock body, and the pull rod protrusion slides along the arc-shaped groove.

The invention has the advantages that after the square bolt extends out of the lock body or retracts into the lock body, the motor gear rotates to a reset position under the drive of the motor assembly, the square bolt assembly is pulled out of the lock body or retracts into the lock body by the peach pulling of the lock cylinder, the pull rod bulge slides along the arc-shaped groove, and the pull rod bulge slides along the arc-shaped groove without touching two end parts of the arc-shaped groove, so that in the process of mechanically unlocking through the lock cylinder, the pull rod can not drive the motor gear but idle relative to the motor gear, and the unlocking or locking is very labor-saving.

Drawings

Fig. 1 is a schematic three-dimensional structure of an electronic lock body in an embodiment;

fig. 2 is an exploded three-dimensional structural diagram of an electronic lock body in the embodiment;

fig. 3 is a schematic diagram of an exploded three-dimensional structure of an electronic lock body in the embodiment;

fig. 4 is a schematic diagram of an exploded three-dimensional state structure of an electronic lock body in another view according to an embodiment;

FIG. 5 is a schematic structural view of an assembled three-dimensional state of the dead bolt assembly, the dead bolt transmission device and the motor assembly in the embodiment;

FIG. 6 is an exploded three-dimensional structural view of the tongue assembly, the tongue actuator and the motor assembly of the embodiment;

FIG. 7 is a schematic three-dimensional state structure of the embodiment from another perspective of the assembly of the tongue assembly, the tongue actuator and the motor assembly;

FIG. 8 is a schematic three-dimensional state structure of the embodiment with the tongue assembly, the tongue actuator and the motor assembly exploded from another perspective;

FIG. 9 is a schematic structural view of the lever in the embodiment in a three-dimensional state;

FIG. 10 is a schematic diagram showing a three-dimensional structure of the lever according to the embodiment from another perspective;

FIG. 11 is a schematic structural diagram of the oblique tongue limiting piece in the embodiment in a three-dimensional state;

FIG. 12 is a schematic view of a three-dimensional structure of the latch bolt limiting plate in another view angle in the embodiment;

FIG. 13 is a schematic three-dimensional assembled state construction of the tang drive and handle assembly of the embodiment;

FIG. 14 is an exploded three-dimensional structural view of the tang drive and handle assembly of the embodiment;

figure 15 is a front view of an electronic lock body in one embodiment (the upper cover plate of the lock case is omitted, the motor gear is in the reset position);

figures 16 to 20 are cross-sectional views of an electronic lock body in an embodiment (when the lock body is locked);

figures 21 to 26 are various cross-sectional views of an electronic lock body in an embodiment (when the lock body is unlocked);

figure 27 is a cross-sectional view of an electronic lock body of an embodiment (motor gear in reset position).

Reference numerals:

101. a lock case; 102. a lock cylinder; 103. a first pivot shaft; 104. a second pivot shaft;

1. a PCB board; 11. a first microswitch; 12. a second microswitch; 13. a third microswitch; 14. a fourth microswitch; 15. a fifth microswitch;

2. a dead bolt assembly; 21. a first contact portion; 22. a trigger section;

3. a motor assembly;

4. a latch bolt assembly; 41. a fifth contact portion;

5. a triangular tongue assembly; 51. a second contact portion;

61. pulling a rod; 611. the pulling rod is convex; 612. pulling up the rod teeth; 613. pulling the rod teeth downwards;

62. a motor gear; 621. an arc-shaped slot; 622. a third contact portion; 623. pulling the block;

7. a latch bolt limiting sheet; 71. a fourth contact portion;

81. a mechanical gear; 811. a trigger head; 82. a reversing gear; 83. a contact piece is abutted; 831. a contact post;

91. a base; 911. a rib; 92. forward chip pulling; 921. a forward slot; 922. a positive tooth; 93. reversely pulling the slices; 931. a reverse groove; 932. reverse teeth; 94. a driven plate; 941. a driven tooth; 942. a driven lug; 95. an upper cover plate; 96. a lower cover plate; 97. a torsion spring.

Detailed Description

As shown in fig. 1 to 4, an electronic lock includes a lock housing 101, a PCB 1, a lock control module, a dead bolt assembly 2, a dead bolt actuator, a motor assembly 3, a lock cylinder 102, a latch bolt assembly 4, and a cam bolt assembly 5, wherein the dead bolt actuator acts on the dead bolt assembly 2 to extend or retract the dead bolt into the lock housing (or the lock housing 101) to achieve locking and unlocking functions of the lock housing, and the lock cylinder 102 is connected to the dead bolt assembly 2.

As shown in fig. 5 to 8, the dead bolt transmission device includes a pulling rod 61 and a motor gear 62 rotatably mounted on the same first pivot shaft 103, the motor gear 62 has an arc-shaped slot 621 extending in an arc shape with the first pivot shaft 103 as a central axis; as shown in fig. 9 and 10, the lever 61 has a lever projection 611 which falls into the arc-shaped groove 621 and slides along the arc-shaped groove 621 when rotating; the motor gear 62 is driven by the motor assembly 3 to rotate forward (clockwise as shown in fig. 15 to 25, the same principle below) or rotate backward (counterclockwise as shown in fig. 15 to 25, the same principle below), the forward rotation or reverse rotation of the motor gear 62 causes the two ends of the arc-shaped groove 621 to act on the pull rod protrusions 611 respectively to correspondingly cause the pull rod 61 to rotate forward or reversely, and the forward rotation or reverse rotation of the pull rod 61 pulls the square tongue assembly 2 to cause the square tongue to extend out of the lock body or retract into the lock body; after the square bolt extends out of the lock body or retracts into the lock body, the motor gear 62 is driven by the motor component 3 to rotate to a reset position (as shown in fig. 15 or fig. 27), the square bolt component 2 is pulled out by the peach pulling of the lock core 102, so that the square bolt extends out of the lock body or retracts into the lock body, the pull rod protrusion 611 slides along the arc-shaped groove 621 and cannot touch two end parts of the arc-shaped groove 621, therefore, in the process of mechanically unlocking through the lock core 102, the pull rod 61 cannot drive the motor gear 62 and only idles relative to the motor gear 62, and unlocking or locking is quite labor-saving.

The lock body further comprises a first micro switch 11 and a second micro switch 12 which are installed on the PCB board 1, when the dead bolt extends out of the lock body or retracts into the lock body, the first micro switch 11 and the second micro switch 12 are respectively triggered to generate signals, the lock body control module receives the generated signals and sends instructions to the motor assembly 3 according to the content of the signals, and the motor assembly 3 drives the motor assembly 3 to rotate forwards or backwards, so that the electronic unlocking (as shown in figures 21 to 26) and locking (as shown in figures 16 to 20) functions are realized.

It should be noted that the first microswitch 11 and the second microswitch 12 can be other inductive switches, such as photoelectric switches, etc., which are used for detecting whether the relevant components are in place.

Specifically, the dead bolt assembly 2 is provided with a first contact portion 21, and when the dead bolt extends out of the lock body, the first contact portion 21 contacts the first microswitch 11. The triangular tongue assembly 5 is provided with a second contact part 51, and when the triangular tongue of the triangular tongue assembly 5 is retracted into the lock body, the second contact part 51 touches the second microswitch 12.

The motor gear 62 is provided with a third contact portion 622, the lock body further comprises a third microswitch 13 mounted on the PCB board 1, when the motor gear 62 rotates to a reset position, the third contact portion 622 touches the third microswitch 13 to generate a signal, the lock body control module receives the signal and sends an instruction to the motor assembly 3 according to the content of the signal, and the motor assembly 3 stops operating.

The lock body also comprises a latch bolt limiting piece 7, as shown in the attached

drawings

11 and 12, the latch bolt limiting piece 7 keeps the state of preventing the latch bolt of the latch bolt component 4 from retracting into the lock body under the action of a return spring; the motor gear 62 is provided with a pulling block 623, and when the motor gear 62 acts on the reverse pulling dead bolt component 2 of the pulling rod 61 to pull the dead bolt into the lock body, the pulling block 623 acts on the dead bolt limiting sheet 7 to overcome the action of the return spring and allow the dead bolt of the dead bolt component 4 to retract into the lock body.

The lock body further comprises a fourth micro switch 14 which is arranged on the PCB 1 and connected with the lock body control module, a fourth contact part 71 is arranged on the latch bolt limiting sheet 7, and when the pulling block 623 acts on the latch bolt limiting sheet 7 (as indicated by 73 in the attached drawing 18) to overcome the action of the return spring, the fourth contact part 71 touches the fourth micro switch 14.

The lock body further comprises a fifth micro switch 15 which is arranged on the PCB board 1 and connected with the lock body control module, a fifth contact part 41 is arranged on the latch bolt assembly 4, and when the latch bolt of the latch bolt assembly 4 retracts into the lock body, the fifth contact part 41 touches the fifth micro switch 15.

The lock body further comprises a square tongue trigger device, the square tongue trigger device comprises a mechanical gear 81 installed on the second pivot shaft 104, a straight tooth 72 connected with the mechanical gear 81 in a meshed mode is arranged on the oblique tongue limiting piece 7, the mechanical gear 81 is provided with a trigger head 811, the square tongue assembly 2 is provided with a trigger part 22, when the lock cylinder 102 pulls the square tongue assembly 2 to enable the square tongue to retract into the lock body, the trigger part 22 acts on the trigger head 811 to enable the mechanical gear 81 to rotate, the mechanical gear 81 and the straight tooth 72 on the oblique tongue limiting piece 7 are in meshed transmission, and the oblique tongue limiting piece 7 overcomes the effect of the reset spring and allows the oblique tongue of the oblique tongue assembly 4 to retract into the lock body.

The lock body can also realize the function of unlocking by lifting or pressing the handle, and has the following specific structure.

This lock body that can lift and push down to unblank is including handle subassembly, and the handle subassembly includes handle, square steel and rotates the base 91 of installing on lock shell 101, and base 91 and handle pass through the square steel and connect.

As shown in fig. 13 and 14, the outer wall of the base 91 is provided with a rib 911 extending axially along the base 91; the lock body further comprises a forward pulling piece 92 and a reverse pulling piece 93 which are correspondingly arranged, the forward pulling piece 92 and the reverse pulling piece 93 are correspondingly provided with a forward groove 921 and a reverse groove 931 in an arc-shaped extending mode by taking the rotating shaft of the base 91 as a central shaft, the forward pulling piece 92 and the reverse pulling piece 93 are correspondingly provided with a forward tooth 922 and a reverse tooth 932, the forward pulling piece 92 and the reverse pulling piece 93 are rotatably sleeved on the base 91, and the convex rib 911 simultaneously penetrates through the forward groove 921 and the reverse groove 931; the pulling rod 61 rotatably mounted on the first pivot shaft 103 has an upper pulling rod tooth 612 and a lower pulling rod tooth 613; the forward teeth 922 of the forward pulling piece 92 are meshed with the lower pulling rod teeth 613, and the reverse teeth 932 of the reverse pulling piece 93 are meshed with the upper pulling rod teeth 612 through a reversing gear 82; when the base 91 rotates forward, the convex rib 911 pushes against one end of the forward slot 921 and makes the forward pull piece 92 rotate along with the forward direction and the reverse pull piece 93 still, the pull rod 61 rotates reversely, and the square tongue retracts into the lock body; when the base 91 rotates in the reverse direction, the rib 911 abuts against one end of the reverse groove 931 and makes the reverse pull tab 93 rotate in the reverse direction and the forward pull tab 92 still, the reversing gear 82 rotates in the forward direction, the pull rod 61 rotates in the reverse direction, and the square tongue retracts into the lock body. Therefore, the square bolt is retracted into the lock body no matter the handle is lifted or pressed down, and the aim of unlocking by lifting or pressing down the handle is fulfilled.

The lock body also comprises a latch bolt component 4 and a latch bolt limiting piece 7, and the latch bolt limiting piece 7 keeps the state of preventing the latch bolt of the latch bolt component 4 from retracting into the lock body under the action of a return spring; a driven plate 94 which follows the base 91 is sleeved on the base 91, and the driven plate 94 is provided with driven teeth 941; the lock shell 101 is further provided with a contact piece 83 meshed with the driven teeth 941, and the contact piece 83 is provided with a contact column 831; when the base 91 rotates in the forward direction, the driven plate 94 rotates in the forward direction, and the contact column 831 acts on the latch tongue restricting plate 7 (as indicated by reference numeral 75 in fig. 18) to overcome the action of the return spring and allow the latch tongue of the latch tongue assembly 4 to retract into the lock body.

The driven plate 94 is provided with driven projections 942; when the base 91 is rotated in the reverse direction, the driven plate 94 is reversed and the driven projection 942 acts on the latch bolt limiting plate 7 (as indicated by reference numeral 74 in fig. 18) to overcome the return spring and allow the latch bolt of the latch bolt assembly 4 to retract into the lock body.

The handle subassembly still has base 91 resetting means, and base 91 resetting means includes upper cover plate 95, lower cover plate 96 and torsional spring 97, and upper cover plate 95 and lower cover plate 96 cup joint on base 91 and follow-up with base 91, and lower cover plate 96 has first torsion post, is provided with the second on the lock shell 101 and twists the post, torsional spring 97 cup joints on base 91 and is in between upper cover plate 95 and lower cover plate 96, and one of them torsion foot of torsional spring 97 conflicts on first torsion post and another torsion foot conflicts on the second torsion post, guarantees from this that the handle can reset after lifting or pushing down.

Claims

1. An electronic lock body comprises a square tongue component, a square tongue transmission device, a motor component and a lock cylinder, wherein the lock cylinder is connected with the square tongue component; the pull rod is provided with a pull rod bulge which falls into the arc-shaped groove and can slide along the arc-shaped groove when rotating; the motor gear is driven by the motor assembly to rotate forwards or reversely, the two end parts of the arc-shaped groove respectively act on the pull rod bulges to correspondingly rotate the pull rod forwards or reversely through the forward rotation or reverse rotation of the motor gear, and the square tongue assembly is pulled through the forward rotation or reverse rotation of the pull rod to extend or retract the square tongue out of or into the lock body; after the square bolt extends out of the lock body or retracts into the lock body, the motor gear is driven by the motor assembly to rotate to a reset position, and the square bolt assembly is pulled out by the peach pulling of the lock core, so that the square bolt extends out of the lock body or retracts into the lock body, and the pull rod protrusion slides along the arc-shaped groove.

2. The electronic lock of claim 1, further comprising a first micro switch, a second micro switch and a lock control module mounted on the PCB, wherein when the square bolt extends out of the lock body or retracts into the lock body, the first micro switch and the second micro switch are triggered to generate signals, the lock control module receives the generated signals and sends commands to the motor assembly according to the signal content, and the motor assembly drives the motor assembly to rotate forward or backward.

3. The electronic lock of claim 2, wherein the deadbolt assembly includes a first contact portion configured to contact the first microswitch when the deadbolt is extended out of the lock body.

4. The electronic lock of claim 2, further comprising a cam bolt assembly, wherein the cam bolt assembly is provided with a second contact portion, and when the cam bolt of the cam bolt assembly is retracted into the lock body, the second contact portion contacts the second micro switch.

5. The electronic lock of claim 2, wherein the motor gear has a third contact portion, the lock further comprises a third micro switch mounted on the PCB, when the motor gear rotates to the reset position, the third contact portion touches the third micro switch to generate a signal, the lock control module receives the signal and sends an instruction to the motor assembly according to the content of the signal, and the motor assembly stops operating.

6. The electronic lock of claim 2, further comprising a latch bolt assembly and a latch bolt position-limiting piece, wherein the latch bolt position-limiting piece keeps a state of preventing the latch bolt of the latch bolt assembly from retracting into the lock body under the action of a return spring; the motor gear is provided with a pulling block, and when the motor gear acts on the reversing pulling square tongue component of the pulling rod to enable the square tongue to retract into the lock body, the pulling block acts on the inclined tongue limiting sheet to overcome the action of the reset spring and allow the inclined tongue of the inclined tongue component to retract into the lock body.

7. The electronic lock of claim 6, further comprising a fourth micro switch mounted on the PCB and connected to the lock control module, wherein a fourth contact portion is disposed on the latch plate, and the fourth contact portion contacts the fourth micro switch when the pulling block acts on the latch plate to overcome the action of the return spring.

8. The electronic lock of claim 7, further comprising a fifth micro switch mounted on the PCB and connected to the lock control module, wherein the latch assembly has a fifth contact portion, and the fifth contact portion contacts the fifth micro switch when the latch of the latch assembly is retracted into the lock body.

9. The electronic lock body of claim 6, further comprising a dead bolt triggering device, wherein the dead bolt triggering device comprises a mechanical gear mounted on the second pivot shaft, a straight tooth meshed with the mechanical gear is disposed on the dead bolt limiting piece, the mechanical gear is provided with a triggering head, a triggering part is disposed on the dead bolt assembly, when the dead bolt assembly is pulled out by the lock cylinder to retract the dead bolt into the lock body, the triggering part acts on the triggering head to rotate the mechanical gear, the mechanical gear and the straight tooth on the dead bolt limiting piece are in meshing transmission, and the dead bolt limiting piece overcomes the action of the reset spring to allow the dead bolt of the dead bolt assembly to retract into the lock body.